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<FONT color="green">001</FONT>    // Copyright 2007 Regents of the University of California.  May be used<a name="line.1"></a>
<FONT color="green">002</FONT>    // under the terms of the revised BSD license.  See LICENSING for details.<a name="line.2"></a>
<FONT color="green">003</FONT>    /**<a name="line.3"></a>
<FONT color="green">004</FONT>     * @author Adrian Mettler<a name="line.4"></a>
<FONT color="green">005</FONT>     */<a name="line.5"></a>
<FONT color="green">006</FONT>    package org.joe_e;<a name="line.6"></a>
<FONT color="green">007</FONT>    <a name="line.7"></a>
<FONT color="green">008</FONT>    /**<a name="line.8"></a>
<FONT color="green">009</FONT>     * Marker interface for annotating classes whose instances are permitted<a name="line.9"></a>
<FONT color="green">010</FONT>     * to be compared using the &lt;code&gt;==&lt;/code&gt; and &lt;code&gt;!=&lt;/code&gt; operators.<a name="line.10"></a>
<FONT color="green">011</FONT>     * These operators compare using the address of the object and thus expose<a name="line.11"></a>
<FONT color="green">012</FONT>     * object identity.  Objects that do not implement Equatable are prohibited<a name="line.12"></a>
<FONT color="green">013</FONT>     * (by Joe-E) from being compared using these comparison operators.<a name="line.13"></a>
<FONT color="green">014</FONT>     * &lt;p&gt;<a name="line.14"></a>
<FONT color="green">015</FONT>     * A class that implements Equatable must not implement Selfless.<a name="line.15"></a>
<FONT color="green">016</FONT>     * &lt;p&gt;<a name="line.16"></a>
<FONT color="green">017</FONT>     * This interface has no members.<a name="line.17"></a>
<FONT color="green">018</FONT>     * <a name="line.18"></a>
<FONT color="green">019</FONT>     * @see Selfless<a name="line.19"></a>
<FONT color="green">020</FONT>     */<a name="line.20"></a>
<FONT color="green">021</FONT>    public interface Equatable {<a name="line.21"></a>
<FONT color="green">022</FONT>    <a name="line.22"></a>
<FONT color="green">023</FONT>    }<a name="line.23"></a>




























































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